In the history of Western philosophy, there are two schools of thought on happiness: one is called hedonism, and the other is called virtueism.
The founder of hedonism was the ancient Greek philosopher Epicurus, whose view boiled down to one sentence: happiness is the absence of pain in the body and the absence of trouble in the soul.
Epicurus was the founder of hedonism, but he never regarded the satisfaction of bodily desires as happiness, but rather was the most opposed to indulgence. Epicurus believed that happiness is happiness, happiness is the purpose of life, and what people live to find is happiness.
All happiness is good, however, you have to pay attention to one situation:
Some pleasures bring greater suffering than this happiness, such as indulgence, which destroys the body;
Some sufferings will bring greater happiness than this pain, such as temperance of desires, which can be physically and mentally settled.
Epicurus said that it is the absence of pain in the body and the absence of trouble in the soul. You are in good health, your soul is quiet, you are happy, you are happy.
This is Epicurus's definition of happiness:
Happiness is happiness, and happiness is the absence of pain in the body and the absence of trouble in the soul. So, for the sake of happiness, you don't do things that are harmful to your health, don't do things that disturb your soul.